In __; jokingly
I believe the answer is:
jest
(Other definitions for jest that I've seen before include "Jape, witticism" , "attempt at humour" , "In ____, playfully" , "it's not serious, so to speak" , "Banter, joke" .)
I believe the answer is:
jest
(Other definitions for jest that I've seen before include "Jape, witticism" , "attempt at humour" , "In ____, playfully" , "it's not serious, so to speak" , "Banter, joke" .)